Removes the expiration delay or timestamp from a key, making it persistent.

[Redis documentation]

persist(key, [options], [callback])

Arguments Type Description
key string Key identifier
options JSON Object Optional parameters
callback function Callback


Option Type Description Default
queuable boolean Make this request queuable or not true

Return Value

Returns the MemoryStorage object to allow chaining.

Callback Response

Returns a boolean specifying if the operation was successful or not.


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use \Kuzzle\Kuzzle;

$kuzzle = new Kuzzle('localhost');

try {
  $status = $kuzzle->memoryStorage()->persist('key');
catch (ErrorException $e) {


Callback response:

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